.ArticleListsTable .Myheader{
          /* border: 1px solid red; */
          /* padding: 0 5rem; */
          line-height: 100%;
          position: relative;
}
.Myheader>span{
    margin:0  2rem 0  5rem ;
}
.Myheader Input{
    width: 22rem;
    margin-right:5rem ;
}
.Myheader Button:nth-of-type(2){
    /* margin-left:56rem ; */
    position: absolute;
    right: 0;
}